Daily Practice · GCSE Science
March 1969 5-a-day
Every sheet in March 1969
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st March 1969Why should a line of best fit be drawn rather than joining the plotted points?
- 2nd March 1969In a parallel circuit, how do the branch currents relate to the total current?
- 3rd March 1969State the approximate radius of an atom.
- 4th March 1969Explain why a larger vehicle mass increases braking distance.
- 5th March 1969State the type of force that always acts between an induced magnet and the magnet that induced it.
- 6th March 1969Name the model of the origin of the universe that is supported by red-shift observations.
- 7th March 1969Give one adaptation of a root hair cell for absorbing mineral ions.
- 8th March 1969Describe how phagocytes destroy pathogens in the body.
- 9th March 1969Define oxygen debt.
- 10th March 1969Explain one benefit of the Human Genome Project.
- 11th March 1969Why is a polystyrene cup with a lid used in energy-change experiments?
- 12th March 1969Write the electronic structure of a magnesium atom (12 electrons).
- 13th March 1969A student measures the mass of a beaker of hydrochloric acid and marble chips as they react and finds it falls. Explain why.
- 14th March 1969Explain why solid sodium chloride does not conduct electricity, but molten sodium chloride does.
- 15th March 1969In the gas-volume required practical measuring how concentration affects rate, state one variable that should be controlled.
- 16th March 1969Name the gas that relights a glowing splint.
- 17th March 1969Name two gases that dissolve in atmospheric water droplets to cause acid rain.
- 18th March 1969Define power and give its unit.
- 19th March 1969Convert a density of 2.7 grams per cubic centimetre into kilograms per cubic metre.
- 20th March 1969Calculate the weight of an object of mass 8.0 kg on Earth, where g = 9.8 N/kg.
- 21st March 1969A wave travels from air into glass and slows down. State what happens to its direction, and explain why in terms of wavelength.
- 22nd March 1969State what a nebula is, and explain its role in the life cycle of a star.
- 23rd March 1969Give one advantage of a light microscope over an electron microscope.
- 24th March 1969Name the blood vessel that carries deoxygenated blood from the heart to the lungs.
- 25th March 1969Name the gas that is released as a product of photosynthesis.
- 26th March 1969Name the hormone released by the adrenal glands that prepares the body for fight or flight.
- 27th March 1969Thermus aquaticus is a species of bacterium that lives in hot springs at temperatures that would kill most other organisms. State the name given to an organism that is adapted to survive in such extreme conditions.
- 28th March 1969Explain why potable water is not required to be chemically pure.
- 29th March 1969Why can an ionic compound conduct electricity when molten or dissolved but not when solid?
- 30th March 1969State the name given to a reaction in which a substance loses electrons.
- 31st March 1969State the only substance produced when a hydrogen fuel cell reacts pure hydrogen with pure oxygen.